Home / 35,485.40-53,236.64-13,298.97

Finding the Fourth Proportional to 35,485.40, 53,236.64 and 13,298.97

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Solution

The fourth proportional to 35,485.40, 53,236.64 and 13,298.97 is: 19,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,485.40 : 53,236.64 = 13,298.97 : x
  2. Step 2: Convert to fraction form
    35,485.40/53,236.64 = 13,298.97/x
  3. Step 3: Cross multiply
    35,485.40x = 53,236.64 × 13,298.97
  4. Step 4: Simplify right side
    35,485.40x = 707,992,411.77
  5. Step 5: Solve for x
    x = 707,992,411.77/35,485.40
  6. Step 6: Final answer
    x = 19,951.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.